person_info=[]
print("="*20)
print('欢迎使用通讯录：')
print("1.添加联系人")
print("2.查看通讯录")
print("3.删除联系人")
print("4.修改联系人信息")
print("5.查找联系人")
print("6.退出")
print("="*20)
while True:
    per_dict={}
    fun_num=input('')
    if fun_num=='1':
        per_name=input('')
        phone_num=input('')
        per_email=input('')
        per_address=input('')
        if per_name.strip()=='':
            print('请输入正确信息')
            continue
        else:
            per_dict.update({'姓名':per_name,
                             '手机号':phone_num,
                             '电子邮箱':per_email,
                             '联系地址':per_address})
            person_info.append(per_dict)
            print('保存成功')
    elif fun_num=='2':
        if len(person_info)==0:
            print('通讯录无信息')
        for i in person_info:
            for title,info in i.items():
                print(title+':'+info)
    elif fun_num=='3':
        if len(person_info)!=0:
            del_name=input('请输入要删除的联系人姓名：')
            for i in person_info:
                if del_name in i.values():
                    person_info.remove(i)
                    print(person_info)
                    print('删除成功')
                else:
                    print('该联系人不在通讯录中')
            else:
                print('通讯录无信息')
        elif fun_num=='4':
            if len(person_info)!=0:
                modi_info=input('请输入要修改联系人姓名：')
                for i in person_info:
                    if modi_info in i.values():
                        index_num=person_info.index(i)
                        dict_cur_perinfo=person_info[index_num]
                        for title,info in dict_cur_perinfo.items():
                            print(title+':'+info)
                        modi_name=input('请输入新的姓名：')
                        modi_phone=input('请输入新的手机号：')
                        modi_email=input('请输入新的邮箱：')
                        modi_address=input('请输入新的地址：') 
                        dict_cur_perinfo.update(姓名=modi_name)
                        dict_cur_perinfo.update(手机号=modi_phone)
                        dict_cur_perinfo.update(电子邮箱=modi_email) 
                        dict_cur_perinfo.update(联系地址=modi_address)
                        print(person_info)
                else:
                    print('通讯录无信息')
            elif fun_num=='5':
                if len(person_info)!=0:
                   query_name=input('请输入要查找的联系人姓名：')
                   for i in person_info:
                       if query_name in i.values():
                        index_num=person_info.index(i)
                        for title, info in person_info[index_num].items():
                            print(title+':'+info)
                        break
                else:
                    print('通讯录无信息')
            elif fun_num=='6':
                break